/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.catalina.core;

import org.apache.catalina.AccessLog;
import org.apache.catalina.connector.Request;
import org.apache.catalina.connector.Response;

import java.util.Arrays;

/**
 * A helper class that wraps several AccessLog instances.
 */
public class AccessLogAdapter implements AccessLog {

	private AccessLog[] logs;

	public AccessLogAdapter(AccessLog log) {
		if (log == null) {
			throw new NullPointerException();
		}
		logs = new AccessLog[]{log};
	}

	public void add(AccessLog log) {
		if (log == null) {
			throw new NullPointerException();
		}
		AccessLog newArray[] = Arrays.copyOf(logs, logs.length + 1);
		newArray[newArray.length - 1] = log;
		logs = newArray;
	}

	@Override
	public void log(Request request, Response response, long time) {
		for (AccessLog log : logs) {
			log.log(request, response, time);
		}
	}

	@Override
	public boolean getRequestAttributesEnabled() {
		// NOOP. Could return logs[0].getRequestAttributesEnabled(), but I do
		// not see a use case for that.
		return false;
	}

	@Override
	public void setRequestAttributesEnabled(boolean requestAttributesEnabled) {
		// NOOP
	}

}
